B28 Wireless Headphones Noise Reduction Bluetooth 5.0 Earphone Stereo Foldable Sport Headset with Mic, LED Digital Display, 10H Playtime

About this item: 1. Flip for angle: lift for comfort, telescopic headband + ear cups freely adjustable 45 degrees inward. 2. Folding design & Easy to carry: Folds inward 90 degrees to greatly reduce the space occupied by the headset, easy to carry. 3. Bluetooth/Audio cable: 3.5MM universal audio cable jack, headphones with wire, with connected audio cable, Bluetooth wireless becomes wired headphones in a second. 4. Bluetooth V5.0: stable signal/ fast speed/strong power saving, 10M effective distance, free hands, Bluetooth era, intelligent life. 5. Quality polymer core: more than a month of electricity, Continued standby for one month, enjoy listening to song 10H continuously, 8H call. 6. Lightweight: light weight/ toughness/free Bendable/durable, The head beam adopts soft frosted leather wrapped, high toughness alloy steel bar, durable alloy head beam. 7. With good materials: only because of the importance of user experience. Protein-like material as the ears kin, built-in soft, slow-bouncing special sponge, realize the intimate and gentle contact with the ear, even if worn for a long time, still breathable, warm winter ear protection.

Product Specification: Type: wireless + audio cable Bluetooth version: Bluetooth 5.0 Earphone Type: Headphone Microphone: Yes Noise Reduction: Active Waterproof: No Playback control: Yes Wearing method: head-mounted Headphone output source: portable audio-visual Plug diameter: 3.5mm Connection type: Bluetooth + 3.5mm audio cable connection Bluetooth connection: compatible with various audio output devices with Bluetooth Bluetooth receiving distance: 10 meters Whether wireless headphones: Yes With audio cable: yes Folding function: Yes Built-in battery: 600mAh Charging port: Micro USB Charging time: 2.5hours Work time: 10 hours of continuous playback Sounding principle: moving coil Speaker diameter: 40 (Φmm) Frequency range: 20HZ-20KHZ Impedance: 32 (Ω) Sensitivity: 97 (dB) SPL Distortion rate: 0.03 (%) Earplugs/earmuffs material: leather Headphone cable material: PVC Product size: 17*8.5*20.5cm Product weight: 0.218kg Package size: 15*9*16.7cm

Package Included: 1x B28 Bluetooth headphone 1x USB charging cable 1x Audio cable 1x English manual